23000508521 has 8 divisors (see below), whose sum is σ = 23693366400. Its totient is φ = 22314830832.

The previous prime is 23000508511. The next prime is 23000508523. The reversal of 23000508521 is 12580500032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23000508521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23000508523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788545 + ... + 1801358.

It is an arithmetic number, because the mean of its divisors is an integer number (2961670800).

Almost surely, 2^23000508521 is an apocalyptic number.

It is an amenable number.

23000508521 is a deficient number, since it is larger than the sum of its proper divisors (692857879).

23000508521 is a wasteful number, since it uses less digits than its factorization.

23000508521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590095.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 23000508521 in words is "twenty-three billion, five hundred eight thousand, five hundred twenty-one".